IndividualActive
Sarah Underdown
NPI 1720833510 · Registered Nurse · Bellingham, WA
Sarah Underdown is a Registered Nurse provider in Bellingham, WA (NPI 1720833510).
Provider details
- NPI number
- 1720833510
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN61517842 (WA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
316 E Mcleod Rd Ste 101
Bellingham, WA 98226-6491
Phone: (360) 734-5410
Street-level locationGet directions
Mailing address
985 Sw 3rd Ave
Oak Harbor, WA 98277-2283
Registry dates
- Enumerated
- 2024-04-23
- Last updated
- 2024-04-23
- Certified
- 2024-04-23
Frequently asked questions
- What is Sarah Underdown's NPI number?
- Sarah Underdown's National Provider Identifier (NPI) is 1720833510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Underdown's specialty?
- Sarah Underdown is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Sarah Underdown located?
- Sarah Underdown's practice location on file with NPPES is 316 E Mcleod Rd Ste 101, Bellingham, WA 98226-6491.
- What is Sarah Underdown's phone number?
- The practice phone number listed in the NPPES registry for Sarah Underdown is (360) 734-5410.
- Is Sarah Underdown's NPI active?
- Yes — Sarah Underdown's NPI (1720833510) is active in the NPPES registry as of the last update on 2024-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.